list = ['xie','xian', 'li', 'wang']
for item in list:
    print(item)

for i in range(1,len(list)):
    print(i,'-->',list[i])

for index,item in enumerate(list):
    print(index,item)

for index,item in enumerate(list,start=1):
    print(index,item)


for index,item in enumerate(list,3):
    print(index,item)